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風(fēng)雨入夢木蟲 (小有名氣)
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[求助]
性質(zhì)表征求助,有關(guān)電子振動(dòng)
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| 目前在整理熒光數(shù)據(jù),看文獻(xiàn)上面在這部分經(jīng)常出現(xiàn)電子振動(dòng),根據(jù)熒光發(fā)射波長得到相應(yīng)的電子振動(dòng)波數(shù),來證明配體主要作用,比如配體芳環(huán)上碳碳雙鍵和碳氮雙鍵的貢獻(xiàn),數(shù)值大體和紅外類似。請問該數(shù)值如何得到,謝謝 |
木蟲 (小有名氣)
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可能我前面表述的不太清楚,我選擇三篇文章的例子來說明一下我的問題,請大家?guī)蛶兔?br />
1.At R.T., upon excitation at 377 and 450 nm, a structured emission was observed at ca. 560 nm and 600 nm, and a shoulder appearing at ca. 660 nmThe vibronic progressional spacings of 1190 cm-1 and 1515 cm-1 are characteristics of aromatic ring stretching 2. In most cases, the emission spectra in solid states at 298 K exhibit well resolved vibronic-structured bands with vibrational progressional spacings in the range of 1160-1460 cm-1 3. the complexes showed well-resolved vibronic-structured emission bands at approximately 530–543 nm and a low-energy emission band at approximately 630–648 nm. The vibrational progressional spacings of the high-energy band at approximately 1300 cm1 我的問題就是文獻(xiàn)中的振動(dòng)能級(jí)是如何得到的,通過計(jì)算還是直接在紅外圖上找的大致范圍。波長的倒數(shù)無法得到給出數(shù)值。 謝謝了 |
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